Files
mars-tinyldap/ldapdelete.c

122 lines
3.1 KiB
C

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libowfat/byte.h>
#include <libowfat/buffer.h>
#include "ldap.h"
#include <libowfat/socket.h>
#include <libowfat/ip4.h>
#include <libowfat/str.h>
#include <libowfat/textcode.h>
#include <fcntl.h>
#include <sys/socket.h>
#define BUFSIZE 8192
static unsigned long messageid=1;
static int ldapbind(int sock) {
char outbuf[1024];
int s=100;
size_t len=fmt_ldapbindrequest(outbuf+s,3,"","");
size_t hlen=fmt_ldapmessage(0,messageid,BindRequest,len);
size_t res,Len;
unsigned long op,result;
struct string matcheddn,errormessage,referral;
fmt_ldapmessage(outbuf+s-hlen,messageid,BindRequest,len);
if ((size_t)write(sock,outbuf+s-hlen,len+hlen)!=len+hlen) return 0;;
len=read(sock,outbuf,1024);
res=scan_ldapmessage(outbuf,outbuf+len,&messageid,&op,&Len);
if (!res) return 0;
if (op!=BindResponse) return 0;
res=scan_ldapbindresponse(outbuf+res,outbuf+res+Len,&result,&matcheddn,&errormessage,&referral);
if (!res) return 0;
if (result) return 0;
return 1;
}
int main(int argc,char* argv[]) {
int sock;
char buf[BUFSIZE];
int len=0;
if (argc<2) {
usage:
buffer_putsflush(buffer_2,"usage: ldapdelete ip dn\n");
return 0;
}
sock=socket_tcp4b();
{
char ip[4];
if (argv[1][scan_ip4(argv[1],ip)]) goto usage;
if (socket_connect4(sock,ip,389)) {
buffer_putsflush(buffer_2,"could not connect to ldap server!\n");
return 1;
}
}
if (ldapbind(sock)) {
struct string s;
s.l=strlen(argv[2]);
s.s=argv[2];
len=fmt_ldapdeleterequest(buf+100,&s);
{
int tmp=fmt_ldapmessage(0,++messageid,DelRequest,len);
fmt_ldapmessage(buf+100-tmp,messageid,DelRequest,len);
write(sock,buf+100-tmp,len+tmp);
}
shutdown(sock,SHUT_WR);
{
char buf[32*1024]; /* arbitrary limit, bad! */
int len=0,tmp,tmp2;
char* max;
unsigned long mid,op;
size_t slen;
int cur=0;
tmp=read(sock,buf+len,sizeof(buf)-len);
if (tmp<=0) {
buffer_putsflush(buffer_2,"read error.\n");
return 2;
}
len+=tmp;
if ((tmp2=scan_ldapmessage(buf+cur,buf+len,&mid,&op,&slen))) {
max=buf+cur+slen+tmp2;
if (op==DelResponse) {
unsigned long result;
struct string matcheddn, errormessage, referral;
if (scan_ldapresult(buf+cur+tmp2,max,&result,&matcheddn,&errormessage,&referral)>0) {
if (result==success) {
buffer_putsflush(buffer_2,"ok\n");
} else {
buffer_puts(buffer_2,"fail, code ");
buffer_putulong(buffer_2,result);
if (errormessage.l) {
buffer_puts(buffer_2,", error message \"");
buffer_put(buffer_2,errormessage.s,errormessage.l);
buffer_puts(buffer_2,"\n");
}
buffer_putsflush(buffer_2,".\n");
}
} else
buffer_putsflush(buffer_2,"failed to parse result message.\n");
} else
buffer_putsflush(buffer_2,"unexpected response.\n");
} else
buffer_putsflush(buffer_2,"failed to parse ldap message.\n");
}
} else {
buffer_putsflush(buffer_2,"ldapbind failed\n");
return 2;
}
close(sock);
return 0;
}